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Product Overview

Trioctyl Trimellitate (TOTM), chemical name Trioctyl trimellitate, CAS 3319-31-1, is a viscous, heat-resistant triglyceride-type trimellitate plasticizer offering the combined advantages of polyester and monomeric plasticizers: good plasticizing efficiency, excellent durability, low volatility, superior electrical properties and improved low-temperature performance. TOTM is widely used where long-term heat resistance and migration resistance are required, especially in high-temperature PVC cable and heat-resistant sheet applications.

This is a heat-resistant and durable main plasticizer, both polyester plasticizer and monomer plasticizer advantages, plasticizing efficiency and processing performance and phthalate plasticizer similar; compatibility, plasticizing performance, low temperature performance than polyester plasticizer; excellent electrical properties, but slightly worse oil resistance.

Key Physical & Chemical Properties

Boiling Point	414 °C(lit.)
Density	0.990 g/mL at 20 °C(lit.)
Vapor Pressure	0Pa at 25℃
Refractive Index	n20/D 1.485(lit.)
Fp	505 °F
Storage Temp.	Room Temperature
Solubility	Chloroform (Slightly), Methanol (Slightly)
Form	Oil
Color	Colourless
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